HAQ ENDO PLLC
NPI 1720935620
Clinic/Center in Allen, TX
NPI Status: Active since March 11, 2026
Contact Information
935 W EXCHANGE PKWY STE 110
ALLEN, TX
ZIP 75013
Phone: (972) 985-9499
Fax: (972) 985-7429
- Organization
- Clinic/Center
About HAQ ENDO PLLC
This page provides the complete NPI Profile along with additional information for Haq Endo Pllc, a provider established in Allen, Texas operating as a Clinic/center. The healthcare provider is registered in the NPI registry with number 1720935620 assigned on March 2026. The practitioner's primary taxonomy code is 261Q00000X. The provider is registered as an organization and their NPI record was last updated March 2026. The authorized official of this NPI record is Dr. Muhammad Shehzadul Haq (Ceo)
- NPI
- 1720935620
- Provider Name
- HAQ ENDO PLLC
- Entity Type
- Organization
- Location Address
- 935 W EXCHANGE PKWY STE 110 ALLEN, TX 75013
- Location Phone
- (972) 985-9499
- Location Fax
- (972) 985-7429
- Mailing Address
- 8617 ORCHARD HILL DR PLANO, TX 75025
- Mailing Phone
- (304) 360-1058
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-11-2026
- Last Update Date
- 03-11-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Clinic/Center
- Taxonomy Code
- 261Q00000X
- Type
- Ambulatory Health Care Facilities
- Taxonomy Description
- A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1720935620, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 60 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
ALLEN, TX 75013
ALLEN, TX 75013
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720935620, enumerated as an "organization" on March 11, 2026.
The provider is located at 935 W EXCHANGE PKWY STE 110 ALLEN, TX 75013 and the phone number is (972) 985-9499.
Clinic/Center with taxonomy code 261Q00000X.
